Dec 19 05:02:04.780 INFO checking yiransheng/basic_rs against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 05:02:04.780 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/yiransheng/basic_rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 05:02:05.339 INFO [stdout] 96d614924ae72502eda61d757e2fb731a779cfb7d8d56d36bd2edfbb32b227a9
Dec 19 05:02:05.342 INFO running `"docker" "start" "-a" "96d614924ae72502eda61d757e2fb731a779cfb7d8d56d36bd2edfbb32b227a9"`
Dec 19 05:02:08.458 INFO [stderr] warning: unused manifest key: profile.bench.target-cpu
Dec 19 05:02:08.661 INFO [stderr]    Compiling num-traits v0.2.6
Dec 19 05:02:08.678 INFO [stderr]    Compiling unicode-segmentation v1.2.1
Dec 19 05:02:08.679 INFO [stderr]    Compiling regex v1.1.0
Dec 19 05:02:08.680 INFO [stderr]    Compiling proc-macro-hack-impl v0.4.1
Dec 19 05:02:08.701 INFO [stderr]    Compiling pest v1.0.6
Dec 19 05:02:08.702 INFO [stderr]     Checking either v1.5.0
Dec 19 05:02:08.702 INFO [stderr]    Compiling num-derive v0.2.3
Dec 19 05:02:08.702 INFO [stderr]    Compiling unindent v0.1.3
Dec 19 05:02:12.092 INFO [stderr]     Checking thread-scoped v1.0.2
Dec 19 05:02:12.092 INFO [stderr]     Checking same-file v1.0.4
Dec 19 05:02:12.341 INFO [stderr]     Checking cast v0.2.2
Dec 19 05:02:13.156 INFO [stderr]    Compiling proc-macro2 v0.4.24
Dec 19 05:02:13.156 INFO [stderr]    Compiling ryu v0.2.7
Dec 19 05:02:13.156 INFO [stderr]     Checking textwrap v0.10.0
Dec 19 05:02:13.188 INFO [stderr]     Checking regex-syntax v0.6.4
Dec 19 05:02:13.264 INFO [stderr]     Checking term v0.5.1
Dec 19 05:02:13.272 INFO [stderr]     Checking rustc-hash v1.0.1
Dec 19 05:02:13.288 INFO [stderr]     Checking rand_isaac v0.1.1
Dec 19 05:02:13.395 INFO [stderr]     Checking itertools v0.7.11
Dec 19 05:02:14.036 INFO [stderr]    Compiling rustc_version v0.2.3
Dec 19 05:02:14.098 INFO [stderr]    Compiling backtrace-sys v0.1.24
Dec 19 05:02:14.189 INFO [stderr]    Compiling heck v0.3.0
Dec 19 05:02:14.571 INFO [stderr]     Checking nanbox v0.2.0
Dec 19 05:02:17.944 INFO [stderr]     Checking walkdir v2.2.7
Dec 19 05:02:18.062 INFO [stderr]    Compiling proc-macro-hack v0.4.1
Dec 19 05:02:18.837 INFO [stderr]     Checking atty v0.2.11
Dec 19 05:02:18.990 INFO [stderr]     Checking time v0.1.40
Dec 19 05:02:19.694 INFO [stderr]     Checking num_cpus v1.8.0
Dec 19 05:02:19.782 INFO [stderr]     Checking rand v0.4.3
Dec 19 05:02:20.196 INFO [stderr]     Checking memchr v2.1.1
Dec 19 05:02:23.283 INFO [stderr]    Compiling pest_derive v1.0.8
Dec 19 05:02:25.280 INFO [stderr]    Compiling rand_chacha v0.1.0
Dec 19 05:02:27.012 INFO [stderr]    Compiling rand_pcg v0.1.1
Dec 19 05:02:27.344 INFO [stderr]    Compiling rand v0.6.1
Dec 19 05:02:27.681 INFO [stderr]     Checking clap v2.32.0
Dec 19 05:02:28.651 INFO [stderr]     Checking serde_json v1.0.33
Dec 19 05:02:28.792 INFO [stderr]     Checking aho-corasick v0.6.9
Dec 19 05:02:29.930 INFO [stderr]     Checking csv-core v0.1.4
Dec 19 05:02:30.701 INFO [stderr]     Checking criterion-plot v0.2.5
Dec 19 05:02:31.973 INFO [stderr]     Checking num-integer v0.1.39
Dec 19 05:02:32.376 INFO [stderr]     Checking itertools-num v0.1.3
Dec 19 05:02:33.235 INFO [stderr]     Checking criterion-stats v0.2.5
Dec 19 05:02:34.864 INFO [stderr]     Checking backtrace v0.3.9
Dec 19 05:02:35.048 INFO [stderr]    Compiling quote v0.6.10
Dec 19 05:02:37.472 INFO [stderr]     Checking csv v1.0.2
Dec 19 05:02:37.473 INFO [stderr]     Checking chrono v0.4.6
Dec 19 05:02:38.990 INFO [stderr]    Compiling syn v0.15.22
Dec 19 05:02:49.449 INFO [stderr]     Checking simplelog v0.5.3
Dec 19 05:02:54.037 INFO [stderr]     Checking handlebars v0.32.4
Dec 19 05:03:05.568 INFO [stderr]    Compiling synstructure v0.10.1
Dec 19 05:03:05.572 INFO [stderr]    Compiling structopt-derive v0.2.13
Dec 19 05:03:05.572 INFO [stderr]    Compiling indoc-impl v0.2.8
Dec 19 05:03:05.572 INFO [stderr]    Compiling serde_derive v1.0.81
Dec 19 05:03:11.540 INFO [stderr]     Checking indoc v0.2.8
Dec 19 05:03:13.479 INFO [stderr]    Compiling failure_derive v0.1.3
Dec 19 05:03:17.721 INFO [stderr]     Checking failure v0.1.3
Dec 19 05:03:17.969 INFO [stderr]     Checking structopt v0.2.13
Dec 19 05:03:20.796 INFO [stderr]     Checking basic_rs v0.1.0 (/opt/crater/workdir)
Dec 19 05:03:21.544 INFO [stderr] warning: unused import: `std::collections::VecDeque`
Dec 19 05:03:21.544 INFO [stderr]  --> src/vm/chunk.rs:1:5
Dec 19 05:03:21.544 INFO [stderr]   |
Dec 19 05:03:21.544 INFO [stderr] 1 | use std::collections::VecDeque;
Dec 19 05:03:21.544 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:21.544 INFO [stderr]   |
Dec 19 05:03:21.544 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 05:03:21.544 INFO [stderr] 
Dec 19 05:03:24.336 INFO [stderr] warning: field is never used: `id`
Dec 19 05:03:24.336 INFO [stderr]  --> src/compiler/anon_var.rs:4:5
Dec 19 05:03:24.336 INFO [stderr]   |
Dec 19 05:03:24.336 INFO [stderr] 4 |     id: u16,
Dec 19 05:03:24.336 INFO [stderr]   |     ^^^^^^^
Dec 19 05:03:24.336 INFO [stderr]   |
Dec 19 05:03:24.336 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 05:03:24.336 INFO [stderr] 
Dec 19 05:03:24.336 INFO [stderr] warning: method is never used: `next_anonymous`
Dec 19 05:03:24.336 INFO [stderr]   --> src/compiler/anon_var.rs:11:5
Dec 19 05:03:24.336 INFO [stderr]    |
Dec 19 05:03:24.337 INFO [stderr] 11 |     pub fn next_anonymous(&mut self) -> Variable {
Dec 19 05:03:24.337 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:24.337 INFO [stderr] 
Dec 19 05:03:24.337 INFO [stderr] warning: field is never used: `free`
Dec 19 05:03:24.337 INFO [stderr]   --> src/compiler/compiler.rs:44:5
Dec 19 05:03:24.337 INFO [stderr]    |
Dec 19 05:03:24.337 INFO [stderr] 44 |     free: FxHashSet<Variable>,
Dec 19 05:03:24.337 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:24.337 INFO [stderr] 
Dec 19 05:03:24.337 INFO [stderr] warning: field is never used: `var_gen`
Dec 19 05:03:24.337 INFO [stderr]   --> src/compiler/compiler.rs:46:5
Dec 19 05:03:24.337 INFO [stderr]    |
Dec 19 05:03:24.337 INFO [stderr] 46 |     var_gen: AnonVarGen,
Dec 19 05:03:24.337 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:24.337 INFO [stderr] 
Dec 19 05:03:24.337 INFO [stderr] warning: method is never used: `get_local`
Dec 19 05:03:24.337 INFO [stderr]   --> src/compiler/compiler.rs:49:5
Dec 19 05:03:24.337 INFO [stderr]    |
Dec 19 05:03:24.337 INFO [stderr] 49 |     fn get_local(&mut self) -> Variable {
Dec 19 05:03:24.337 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:24.337 INFO [stderr] 
Dec 19 05:03:24.337 INFO [stderr] warning: method is never used: `reclaim_local`
Dec 19 05:03:24.337 INFO [stderr]   --> src/compiler/compiler.rs:73:5
Dec 19 05:03:24.337 INFO [stderr]    |
Dec 19 05:03:24.337 INFO [stderr] 73 |     fn reclaim_local(&mut self, var: Variable) {
Dec 19 05:03:24.337 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:24.337 INFO [stderr] 
Dec 19 05:03:24.337 INFO [stderr] warning: function is never used: `print_source_error`
Dec 19 05:03:24.337 INFO [stderr]   --> src/error_print.rs:75:1
Dec 19 05:03:24.337 INFO [stderr]    |
Dec 19 05:03:24.337 INFO [stderr] 75 | pub fn print_source_error<E: Error>(err: SourceMapped<E>, source: &str) {
Dec 19 05:03:24.337 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:24.337 INFO [stderr] 
Dec 19 05:03:25.352 INFO [stderr] warning: unused import: `std::collections::VecDeque`
Dec 19 05:03:25.352 INFO [stderr]  --> src/vm/chunk.rs:1:5
Dec 19 05:03:25.352 INFO [stderr]   |
Dec 19 05:03:25.352 INFO [stderr] 1 | use std::collections::VecDeque;
Dec 19 05:03:25.352 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:25.352 INFO [stderr]   |
Dec 19 05:03:25.352 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 05:03:25.352 INFO [stderr] 
Dec 19 05:03:34.232 INFO [stderr] warning: function is never used: `u16_to_bytes`
Dec 19 05:03:34.232 INFO [stderr]   --> src/ast/variable.rs:41:1
Dec 19 05:03:34.232 INFO [stderr]    |
Dec 19 05:03:34.232 INFO [stderr] 41 | fn u16_to_bytes(b: u16) -> [u8; 2] {
Dec 19 05:03:34.232 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:34.232 INFO [stderr]    |
Dec 19 05:03:34.232 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 05:03:34.232 INFO [stderr] 
Dec 19 05:03:34.232 INFO [stderr] warning: method is never used: `from_u16`
Dec 19 05:03:34.232 INFO [stderr]   --> src/ast/variable.rs:48:5
Dec 19 05:03:34.232 INFO [stderr]    |
Dec 19 05:03:34.232 INFO [stderr] 48 |     pub fn from_u16(b: u16) -> Result<Self, NameError> {
Dec 19 05:03:34.232 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:34.232 INFO [stderr] 
Dec 19 05:03:34.233 INFO [stderr] warning: method is never used: `from_u16_unchecked`
Dec 19 05:03:34.233 INFO [stderr]   --> src/ast/variable.rs:78:5
Dec 19 05:03:34.233 INFO [stderr]    |
Dec 19 05:03:34.233 INFO [stderr] 78 |     pub fn from_u16_unchecked(b: u16) -> Self {
Dec 19 05:03:34.233 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:34.233 INFO [stderr] 
Dec 19 05:03:34.233 INFO [stderr] warning: field is never used: `id`
Dec 19 05:03:34.233 INFO [stderr]  --> src/compiler/anon_var.rs:4:5
Dec 19 05:03:34.233 INFO [stderr]   |
Dec 19 05:03:34.233 INFO [stderr] 4 |     id: u16,
Dec 19 05:03:34.233 INFO [stderr]   |     ^^^^^^^
Dec 19 05:03:34.234 INFO [stderr] 
Dec 19 05:03:34.234 INFO [stderr] warning: method is never used: `next_anonymous`
Dec 19 05:03:34.234 INFO [stderr]   --> src/compiler/anon_var.rs:11:5
Dec 19 05:03:34.234 INFO [stderr]    |
Dec 19 05:03:34.234 INFO [stderr] 11 |     pub fn next_anonymous(&mut self) -> Variable {
Dec 19 05:03:34.234 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:34.234 INFO [stderr] 
Dec 19 05:03:34.234 INFO [stderr] warning: field is never used: `free`
Dec 19 05:03:34.234 INFO [stderr]   --> src/compiler/compiler.rs:44:5
Dec 19 05:03:34.234 INFO [stderr]    |
Dec 19 05:03:34.234 INFO [stderr] 44 |     free: FxHashSet<Variable>,
Dec 19 05:03:34.234 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:34.234 INFO [stderr] 
Dec 19 05:03:34.234 INFO [stderr] warning: field is never used: `var_gen`
Dec 19 05:03:34.234 INFO [stderr]   --> src/compiler/compiler.rs:46:5
Dec 19 05:03:34.234 INFO [stderr]    |
Dec 19 05:03:34.235 INFO [stderr] 46 |     var_gen: AnonVarGen,
Dec 19 05:03:34.235 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:34.235 INFO [stderr] 
Dec 19 05:03:34.235 INFO [stderr] warning: method is never used: `get_local`
Dec 19 05:03:34.235 INFO [stderr]   --> src/compiler/compiler.rs:49:5
Dec 19 05:03:34.235 INFO [stderr]    |
Dec 19 05:03:34.235 INFO [stderr] 49 |     fn get_local(&mut self) -> Variable {
Dec 19 05:03:34.235 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:34.235 INFO [stderr] 
Dec 19 05:03:34.235 INFO [stderr] warning: method is never used: `reclaim_local`
Dec 19 05:03:34.235 INFO [stderr]   --> src/compiler/compiler.rs:73:5
Dec 19 05:03:34.235 INFO [stderr]    |
Dec 19 05:03:34.235 INFO [stderr] 73 |     fn reclaim_local(&mut self, var: Variable) {
Dec 19 05:03:34.235 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:34.235 INFO [stderr] 
Dec 19 05:03:34.237 INFO [stderr] warning: method is never used: `reset`
Dec 19 05:03:34.237 INFO [stderr]    --> src/vm/chunk.rs:141:5
Dec 19 05:03:34.237 INFO [stderr]     |
Dec 19 05:03:34.237 INFO [stderr] 141 |     pub fn reset(&mut self) {
Dec 19 05:03:34.237 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:34.237 INFO [stderr] 
Dec 19 05:03:34.237 INFO [stderr] warning: method is never used: `reset`
Dec 19 05:03:34.237 INFO [stderr]   --> src/vm/data.rs:24:5
Dec 19 05:03:34.237 INFO [stderr]    |
Dec 19 05:03:34.237 INFO [stderr] 24 |     pub fn reset(&mut self) {
Dec 19 05:03:34.237 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:34.237 INFO [stderr] 
Dec 19 05:03:34.244 INFO [stderr] warning: method is never used: `reset`
Dec 19 05:03:34.244 INFO [stderr]    --> src/vm/mod.rs:170:5
Dec 19 05:03:34.244 INFO [stderr]     |
Dec 19 05:03:34.244 INFO [stderr] 170 |     pub fn reset(&mut self) {
Dec 19 05:03:34.244 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:34.244 INFO [stderr] 
Dec 19 05:03:35.791 INFO [stderr]     Checking criterion v0.2.5
Dec 19 05:03:39.176 INFO [stderr] warning: unused import: `std::collections::VecDeque`
Dec 19 05:03:39.176 INFO [stderr]  --> src/vm/chunk.rs:1:5
Dec 19 05:03:39.176 INFO [stderr]   |
Dec 19 05:03:39.176 INFO [stderr] 1 | use std::collections::VecDeque;
Dec 19 05:03:39.176 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:39.176 INFO [stderr]   |
Dec 19 05:03:39.176 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 05:03:39.176 INFO [stderr] 
Dec 19 05:03:39.196 INFO [stderr] warning: unused import: `std::collections::VecDeque`
Dec 19 05:03:39.196 INFO [stderr]  --> src/vm/chunk.rs:1:5
Dec 19 05:03:39.196 INFO [stderr]   |
Dec 19 05:03:39.196 INFO [stderr] 1 | use std::collections::VecDeque;
Dec 19 05:03:39.196 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:39.196 INFO [stderr]   |
Dec 19 05:03:39.196 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 05:03:39.196 INFO [stderr] 
Dec 19 05:03:42.188 INFO [stderr] warning: field is never used: `id`
Dec 19 05:03:42.188 INFO [stderr]  --> src/compiler/anon_var.rs:4:5
Dec 19 05:03:42.188 INFO [stderr]   |
Dec 19 05:03:42.188 INFO [stderr] 4 |     id: u16,
Dec 19 05:03:42.188 INFO [stderr]   |     ^^^^^^^
Dec 19 05:03:42.188 INFO [stderr]   |
Dec 19 05:03:42.188 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 05:03:42.188 INFO [stderr] 
Dec 19 05:03:42.188 INFO [stderr] warning: method is never used: `next_anonymous`
Dec 19 05:03:42.188 INFO [stderr]   --> src/compiler/anon_var.rs:11:5
Dec 19 05:03:42.188 INFO [stderr]    |
Dec 19 05:03:42.188 INFO [stderr] 11 |     pub fn next_anonymous(&mut self) -> Variable {
Dec 19 05:03:42.188 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:42.188 INFO [stderr] 
Dec 19 05:03:42.188 INFO [stderr] warning: field is never used: `free`
Dec 19 05:03:42.188 INFO [stderr]   --> src/compiler/compiler.rs:44:5
Dec 19 05:03:42.188 INFO [stderr]    |
Dec 19 05:03:42.188 INFO [stderr] 44 |     free: FxHashSet<Variable>,
Dec 19 05:03:42.188 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:42.188 INFO [stderr] 
Dec 19 05:03:42.188 INFO [stderr] warning: field is never used: `var_gen`
Dec 19 05:03:42.188 INFO [stderr]   --> src/compiler/compiler.rs:46:5
Dec 19 05:03:42.188 INFO [stderr]    |
Dec 19 05:03:42.188 INFO [stderr] 46 |     var_gen: AnonVarGen,
Dec 19 05:03:42.188 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:42.188 INFO [stderr] 
Dec 19 05:03:42.188 INFO [stderr] warning: method is never used: `get_local`
Dec 19 05:03:42.188 INFO [stderr]   --> src/compiler/compiler.rs:49:5
Dec 19 05:03:42.188 INFO [stderr]    |
Dec 19 05:03:42.188 INFO [stderr] 49 |     fn get_local(&mut self) -> Variable {
Dec 19 05:03:42.188 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:42.188 INFO [stderr] 
Dec 19 05:03:42.188 INFO [stderr] warning: method is never used: `reclaim_local`
Dec 19 05:03:42.188 INFO [stderr]   --> src/compiler/compiler.rs:73:5
Dec 19 05:03:42.188 INFO [stderr]    |
Dec 19 05:03:42.188 INFO [stderr] 73 |     fn reclaim_local(&mut self, var: Variable) {
Dec 19 05:03:42.188 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:42.188 INFO [stderr] 
Dec 19 05:03:42.204 INFO [stderr] warning: function is never used: `print_source_error`
Dec 19 05:03:42.204 INFO [stderr]   --> src/error_print.rs:75:1
Dec 19 05:03:42.204 INFO [stderr]    |
Dec 19 05:03:42.204 INFO [stderr] 75 | pub fn print_source_error<E: Error>(err: SourceMapped<E>, source: &str) {
Dec 19 05:03:42.204 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:42.204 INFO [stderr] 
Dec 19 05:03:42.260 INFO [stderr] warning: function is never used: `u16_to_bytes`
Dec 19 05:03:42.260 INFO [stderr]   --> src/ast/variable.rs:41:1
Dec 19 05:03:42.260 INFO [stderr]    |
Dec 19 05:03:42.260 INFO [stderr] 41 | fn u16_to_bytes(b: u16) -> [u8; 2] {
Dec 19 05:03:42.260 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:42.260 INFO [stderr]    |
Dec 19 05:03:42.260 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 05:03:42.260 INFO [stderr] 
Dec 19 05:03:42.261 INFO [stderr] warning: method is never used: `from_u16`
Dec 19 05:03:42.261 INFO [stderr]   --> src/ast/variable.rs:48:5
Dec 19 05:03:42.261 INFO [stderr]    |
Dec 19 05:03:42.261 INFO [stderr] 48 |     pub fn from_u16(b: u16) -> Result<Self, NameError> {
Dec 19 05:03:42.261 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:42.261 INFO [stderr] 
Dec 19 05:03:42.261 INFO [stderr] warning: method is never used: `from_u16_unchecked`
Dec 19 05:03:42.261 INFO [stderr]   --> src/ast/variable.rs:78:5
Dec 19 05:03:42.261 INFO [stderr]    |
Dec 19 05:03:42.261 INFO [stderr] 78 |     pub fn from_u16_unchecked(b: u16) -> Self {
Dec 19 05:03:42.261 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:42.262 INFO [stderr] 
Dec 19 05:03:42.262 INFO [stderr] warning: field is never used: `id`
Dec 19 05:03:42.262 INFO [stderr]  --> src/compiler/anon_var.rs:4:5
Dec 19 05:03:42.262 INFO [stderr]   |
Dec 19 05:03:42.262 INFO [stderr] 4 |     id: u16,
Dec 19 05:03:42.262 INFO [stderr]   |     ^^^^^^^
Dec 19 05:03:42.262 INFO [stderr] 
Dec 19 05:03:42.263 INFO [stderr] warning: method is never used: `next_anonymous`
Dec 19 05:03:42.263 INFO [stderr]   --> src/compiler/anon_var.rs:11:5
Dec 19 05:03:42.263 INFO [stderr]    |
Dec 19 05:03:42.263 INFO [stderr] 11 |     pub fn next_anonymous(&mut self) -> Variable {
Dec 19 05:03:42.263 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:42.263 INFO [stderr] 
Dec 19 05:03:42.263 INFO [stderr] warning: field is never used: `free`
Dec 19 05:03:42.263 INFO [stderr]   --> src/compiler/compiler.rs:44:5
Dec 19 05:03:42.263 INFO [stderr]    |
Dec 19 05:03:42.263 INFO [stderr] 44 |     free: FxHashSet<Variable>,
Dec 19 05:03:42.263 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:42.264 INFO [stderr] 
Dec 19 05:03:42.264 INFO [stderr] warning: field is never used: `var_gen`
Dec 19 05:03:42.264 INFO [stderr]   --> src/compiler/compiler.rs:46:5
Dec 19 05:03:42.264 INFO [stderr]    |
Dec 19 05:03:42.264 INFO [stderr] 46 |     var_gen: AnonVarGen,
Dec 19 05:03:42.264 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:42.264 INFO [stderr] 
Dec 19 05:03:42.264 INFO [stderr] warning: method is never used: `get_local`
Dec 19 05:03:42.264 INFO [stderr]   --> src/compiler/compiler.rs:49:5
Dec 19 05:03:42.264 INFO [stderr]    |
Dec 19 05:03:42.264 INFO [stderr] 49 |     fn get_local(&mut self) -> Variable {
Dec 19 05:03:42.264 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:42.264 INFO [stderr] 
Dec 19 05:03:42.264 INFO [stderr] warning: method is never used: `reclaim_local`
Dec 19 05:03:42.264 INFO [stderr]   --> src/compiler/compiler.rs:73:5
Dec 19 05:03:42.264 INFO [stderr]    |
Dec 19 05:03:42.264 INFO [stderr] 73 |     fn reclaim_local(&mut self, var: Variable) {
Dec 19 05:03:42.264 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:42.264 INFO [stderr] 
Dec 19 05:03:42.266 INFO [stderr] warning: method is never used: `reset`
Dec 19 05:03:42.266 INFO [stderr]    --> src/vm/chunk.rs:141:5
Dec 19 05:03:42.266 INFO [stderr]     |
Dec 19 05:03:42.266 INFO [stderr] 141 |     pub fn reset(&mut self) {
Dec 19 05:03:42.266 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:42.266 INFO [stderr] 
Dec 19 05:03:42.267 INFO [stderr] warning: method is never used: `reset`
Dec 19 05:03:42.267 INFO [stderr]   --> src/vm/data.rs:24:5
Dec 19 05:03:42.267 INFO [stderr]    |
Dec 19 05:03:42.267 INFO [stderr] 24 |     pub fn reset(&mut self) {
Dec 19 05:03:42.267 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:42.267 INFO [stderr] 
Dec 19 05:03:42.267 INFO [stderr] warning: method is never used: `reset`
Dec 19 05:03:42.267 INFO [stderr]    --> src/vm/mod.rs:170:5
Dec 19 05:03:42.267 INFO [stderr]     |
Dec 19 05:03:42.272 INFO [stderr] 170 |     pub fn reset(&mut self) {
Dec 19 05:03:42.272 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:42.272 INFO [stderr] 
Dec 19 05:03:42.424 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
Dec 19 05:03:43.334 INFO running `"docker" "inspect" "96d614924ae72502eda61d757e2fb731a779cfb7d8d56d36bd2edfbb32b227a9"`
Dec 19 05:03:43.756 INFO running `"docker" "rm" "-f" "96d614924ae72502eda61d757e2fb731a779cfb7d8d56d36bd2edfbb32b227a9"`
Dec 19 05:03:43.998 INFO [stdout] 96d614924ae72502eda61d757e2fb731a779cfb7d8d56d36bd2edfbb32b227a9